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<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="content-type"><title>CommandSet</title></head><body><h1>class <span style="font-family: monospace;">CommandSet</span></h1>CommandSet
is a subclass of the built-in set type designed for representing a set
of command names, as used by the basic_menus() function. The following
additional features are provided.<br><ul><li>The constructor accepts a single item (a string) as well as a collection of items.</li><li>The + operator may be used as a synonym for | (set union).</li><li>Union and difference operations accept a string or sequence of strings as the other operand.</li></ul>---</body></html>